Ddst
[医][=Denver Development Screening Test]丹佛发育筛选测验：鉴定儿童发育迟缓的测验
🗣️ 情景例句
This has to be the most scenic spot in the country, if not the world.
这儿就算不能称之为世界上最优美的景点，也可以称得上是这个国家最美的地方了。
How far is it to the university?
它离大学多远？
I agree with you. We've got to do something about pollution. It's getting worse.
我同意你的看法。我们得对污染采取措施了。污染越来越严重了。